EXPERIMENTAL . 

 GENERAL SCIENCE 



BY 



WILLARD NELSON CLUTE 



AUTHOR OF "LABORATORY BOTANY FOR THE HIGH SCHOOL," "OUR 

 FERNS IN THEIR HAUNTS," "AGRONOMY," ETC. 



WITH 96 ILLUSTRATIONS 



PHILADELPHIA 



P. BLAKISTON'S SON & CO. 



1012 WALNUT STREET 



